[ 4256.769096][T29235] gre: GRE over IPv4 demultiplexer driver
[ 4258.397864][T29258] ip_gre: GRE over IPv4 tunneling driver
[ 4307.919078][T29831] ip6_gre: GRE over IPv6 tunneling driver
[ 4338.927880][T30179] ping (30179) used greatest stack depth: 22848 bytes left
[ 4344.173828][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4349.358752][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4353.645919][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4359.149741][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!